Pith Number

pith:TG74IB4X

pith:2019:TG74IB4XAR3BYKYK3O7QN3IIUW

not attested not anchored not stored refs pending

Threshold Drop in Accretion Density if Dark Energy is Accreting onto a Supermassive Black Hole

Ritabrata Biswas, Sandip Dutta

arxiv:1908.04268 v2 · 2019-08-08 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TG74IB4XAR3BYKYK3O7QN3IIUW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T00:04:10.174019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99bfc4079704761c2b0adbbf06ed08a5aae5553da6a1048d75ae870a3562aacf

Aliases

arxiv: 1908.04268 · arxiv_version: 1908.04268v2 · doi: 10.48550/arxiv.1908.04268 · pith_short_12: TG74IB4XAR3B · pith_short_16: TG74IB4XAR3BYKYK · pith_short_8: TG74IB4X

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TG74IB4XAR3BYKYK3O7QN3IIUW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 99bfc4079704761c2b0adbbf06ed08a5aae5553da6a1048d75ae870a3562aacf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "501ea157892a1f1942a503d1d10cda0abc5912edc708debc1e910ccee8de743e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-08T07:48:14Z",
    "title_canon_sha256": "1d6eb8bc9d1b14a4751919d91848ab367c3d2dfbd6364d193dbaee787ba7d0ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04268",
    "kind": "arxiv",
    "version": 2
  }
}